A coupler comprises a first channel having a first axis of extension in a first horizontal direction and a second channel having a second axis of extension in the first horizontal direction. The second axis of extension is parallel to and spaced apart from the first axis of extension in a second horizontal direction. The second axis of extension has a pitch angle relative to the first axis of extension in a vertical direction, the pitch angle being less than 180 degrees. The first and second channels each include head-mounting features, the head-mounting features constructed and arranged to retain an elongated head to the coupler while permitting movement of the elongated head relative to the coupler in the first horizontal direction.

A wall hanging bracket is provided. The bracket utilizes a single anchor point to connect the bracket to the wall and has a slot spaced apart from and below the anchor point. A hanger such as a curtain rod hanger, picture hanger, or the like may be slideably held in the bracket to connect the hanger to the wall. A wall hanging such as a curtain rod, picture, shelf, and the like may be connected to the hanger which is held in the bracket, and in turn connected to the wall. This system allows wall hangings to be made with a single connection point, in a much more secure and stable manner compared to the prior art.

An external punching-free mounting mechanism for a curtain, comprising a cross beam exposed outside a window frame, a first mounting assembly and a second mounting assembly supporting the cross beam in the window frame in a cooperative way, and the first mounting assembly and the second mounting assembly are oppositely connected to the cross beam; the first mounting assembly and the second mounting assembly can slide in the length direction of the cross beam in the unlocking state; the first mounting assembly and the second mounting assembly are fixed to the cross beam in the locking state; the first mounting assembly and the second mounting assembly are both connected with an auxiliary member used for clinging to the inner frame edge of the window frame. The arrangement of auxiliary members on the first mounting assembly and the second mounting assembly increase the contact area of the inner frame edge of the window frame and the mounting assemblies, making the overall mounting structure firmer and more stable, and preventing curtain detachment during use, thus fulfills consumers' requirements.

Embodiments include a bracket system for coupling to a wall having an exterior layer supported by a support beam. The bracket system includes an anchor having a flange, a stud portion extending rearwards, and a block portion extending frontwards. Embodiments also include a dual anchor system. The stud portion extends through the exterior layer to engage the support beam, or a support arm assembly. The flange engages a front surface of the exterior layer. The bracket includes a socket that slidably engages the block portion. When the block portion is engaged with the socket, a bolt hole of the block portion aligns with a bolt hole of the bracket. A bolt extends transversely through the bolt holes to secure the bracket to the anchor. The bracket includes a ring or can engage a rod. The rod can be releasably engaged with the bracket using a magnetic element.