Systems relating to a mechanical closure or locking device configured to allow for quick connect and disconnect. The systems can be used in conjunction with compression garments. The systems can include a buckle that couples to an anchor. The buckle and anchor can include complementary features that can mechanically interface to secure the buckle and anchor together. The buckle and anchor can include complementary magnetic elements to secure the buckle and anchor together. The buckle can be manipulated to tighten or loosen an adjustable strap.

Implementations of a garment length adjuster are provided. In some implementations, the garment length adjuster comprises a frame defining an interior opening and a plurality of elongated projections having a gap between adjacent projection or a projection and side where each projection extends from a first side toward second opposite side within the interior opening. In some implementations, the garment length adjuster is used to adjust the length of a garment by routing one or more straps of the garment over thought one or more gaps and one or more projections of the garment length adjuster.

A buckle has a main body, a strap retaining bar connected to the main body, two locking legs formed as separate pieces from the main body and pivotably connected to the main body; and a spring formed of two L-shaped sections disposed between the two locking legs. The spring is attached to both of the locking legs, and exerts a force against the locking legs when they are pressed inward toward each other. The spring keeps the locking legs in an outwardly tensioned position, but does not let the legs flex outwardly in an unlimited manner, since the spring is directly connected to the legs. The spring allows the main body and locking legs to be formed of an inflexible material, such as metal. The locking legs are separate pieces from the main body and are connected to the main body via a pivot pin or other hinged mechanism.

A buckle has a main body, a strap retaining bar connected to the main body, two locking legs formed as separate pieces from the main body and pivotably connected to the main body; and a spring formed of two L-shaped sections disposed between the two locking legs. The spring is attached to both of the locking legs, and exerts a force against the locking legs when they are pressed inward toward each other. The spring keeps the locking legs in an outwardly tensioned position, but does not let the legs flex outwardly in an unlimited manner, since the spring is directly connected to the legs. The spring allows the main body and locking legs to be formed of an inflexible material, such as metal. The locking legs are separate pieces from the main body and are connected to the main body via a pivot pin or other hinged mechanism.

A D-ring, comprising a body having a first surface and a second surface and a plurality of apertures formed through first and second surfaces. The D-ring comprises two or more separate rated apertures for receiving a device or a connector to a device. A first aperture is formed through the first and second surfaces and positioned on the distal portion of the body. A second aperture is formed through the first and second surfaces such that the second aperture is adjacent to the first aperture. Additionally, there is a belt receiving aperture formed through said first and second surfaces positioned on the proximal portion of the body.

A D-ring, comprising a body having a first surface and a second surface and a plurality of apertures formed through first and second surfaces. The D-ring comprises two or more separate rated apertures for receiving a device or a connector to a device. A first aperture is formed through the first and second surfaces and positioned on the distal portion of the body. A second aperture is formed through the first and second surfaces such that the second aperture is adjacent to the first aperture. Additionally, there is a belt receiving aperture formed through said first and second surfaces positioned on the proximal portion of the body.

Embodiments are disclosed for a clasp configured to accommodate a strap of a piece of headwear, including a top loop having a catch end at a first side of the clasp, the top loop including a top portion that extends from a second side of the clasp to the first side along a horizontal axis of the clasp, the catch end extending from the top portion along an s-shaped curve to form a tip of the catch end; a bottom loop coupled to the top loop via a common middle portion, a top surface of the common middle portion having a lip; and a depression at the top loop on the second side, a thinnest part of the top loop at the second side of the clasp being formed by the depression.

Embodiments are disclosed for a clasp configured to accommodate a strap of a piece of headwear, including a top loop having a catch end at a first side of the clasp, the top loop including a top portion that extends from a second side of the clasp to the first side along a horizontal axis of the clasp, the catch end extending from the top portion along an s-shaped curve to form a tip of the catch end; a bottom loop coupled to the top loop via a common middle portion, a top surface of the common middle portion having a lip; and a depression at the top loop on the second side, a thinnest part of the top loop at the second side of the clasp being formed by the depression.

A child safety seat includes a seat body, and a restraining harness coupled to the seat body. The seat body has a front surface and a rear surface opposite to each other, the front surface being adapted to provide support for a child placed in the seat body. The restraining harness includes a restraining belt and an adjusting buckle coupled to each other, the restraining belt having a front belt portion extending in front of the front surface and a rear belt portion extending behind the front surface, the adjusting buckle being provided on the rear belt portion and being operable to adjust a length of the front belt portion.

A child safety seat includes a seat body, and a restraining harness coupled to the seat body. The seat body has a front surface and a rear surface opposite to each other, the front surface being adapted to provide support for a child placed in the seat body. The restraining harness includes a restraining belt and an adjusting buckle coupled to each other, the restraining belt having a front belt portion extending in front of the front surface and a rear belt portion extending behind the front surface, the adjusting buckle being provided on the rear belt portion and being operable to adjust a length of the front belt portion.