An underwater training apparatus is disclosed. The underwater training apparatus may include a barrel. The barrel may contain a plurality of holes disposed across the barrel. Each of the holes of the barrel may pass through a wall of the barrel. The underwater training apparatus may also include a base funnel. The base funnel may contain a plurality of holes disposed across the base funnel. Each of the holes of the base funnel may pass through a wall of the base funnel. The underwater training apparatus may also include a handle. The handle may mechanically couple the barrel and the base funnel.

An aqua-resistance exercise device includes an elongate member, a strap, fasteners, and one or more fins. The elongate member includes an engagement portion, a shaft extending from the engagement portion, and a handle to be gripped by a user. The fasteners are provided to the engagement portion of the elongate member and an inner side of the strap to releasably attach the strap to the engagement portion of the elongate member. The one or more fins are adapted to be received on the strap, and the fasteners releasably secure the strap to the engagement portion of the elongate member to thereby releasably secure the fins to the elongate member.

A swing motion trainer used to simulate one or more sport swing movements includes a rod portion comprising a shaft with a grip. The swing motion trainer includes a resistance portion comprising an interchangeable mechanism at a distal end of the rod portion, the resistance portion includes an interchangeable mechanism at the distal end of the rod portion, wherein the interchangeable mechanism is configured to attach a removable resistance element to the distal end of the rod portion. The removable resistance element that is attachable to the distal end of the rod portion via the interchangeable mechanism. The removable resistance element provides a resistance to a swinging motion of the swing motion trainer.

A golf swing speed trainer for releasable attachment via a retainer to a shaft sleeve of a golf club shaft, including a head, a sleeve, and a weighting system. The trainer provides a highly customizable golf swing speed trainer that more accurately mimics the feel of a real club as a golfer works to increase their swing speed, without introducing any new bad habits. It allows a golfer to use their “gamer” shaft and grip during speed training, thereby increasing the user's familiarity with the trainer, which should result not only in increased swing speed but also improved consistency and accuracy.

A golf swing speed trainer for releasable attachment via a retainer to a shaft sleeve of a golf club shaft, including a head, a sleeve, and a weighting system. The trainer provides a highly customizable golf swing speed trainer that more accurately mimics the feel of a real club as a golfer works to increase their swing speed, without introducing any new bad habits. It allows a golfer to use their “gamer” shaft and grip during speed training, thereby increasing the user's familiarity with the trainer, which should result not only in increased swing speed but also improved consistency and accuracy.

A shoulder motion exercise device, kit, and method of use having a retainer, a plurality of connectors, an extender, and a slider. The device aids in the stretching and exercise of at least a shoulder and a portion of the torso.

A shoulder motion exercise device, kit, and method of use having a retainer, a plurality of connectors, an extender, and a slider. The device aids in the stretching and exercise of at least a shoulder and a portion of the torso.

A sporting weight system couplable to a sporting device. The sporting weight system including a plurality of shaped weight portions and at least one fastener. The at least one fastener is configured to couple the plurality of shaped weight portions together about a shaft portion of the sporting device.

A sporting weight system couplable to a sporting device. The sporting weight system including a plurality of shaped weight portions and at least one fastener. The at least one fastener is configured to couple the plurality of shaped weight portions together about a shaft portion of the sporting device.

A golf swing simulator/training aid includes a first rod section, a second rod section, a third rod section, a fixed weight, a grip, a first threaded connector fitting, and a second threaded connector fitting. The fixed weight is generally secured to a first end of the first rod section. The grip is generally attached to and surrounding a second end of the third rod section. The first threaded connector fitting may removably couple the first rod section to the second rod section. The second threaded connector fitting may removably couple the second rod section to the third rod section.