Abstract: A device for a removable attachment to a column member, such as a tree, includes a body having a pair of spaced contact surfaces. The body also includes a pair of spaced and elongated retention apertures that are configured to receive a flexible retention member, such as a strap, therethrough. The retention member initially retains the device to the column member, such that the contact surfaces are urged against the column member. In addition, the retention members are spaced apart such that their top portions are spaced further apart than their bottom portions. Thus, as the body is forced downward along the column member, the distance between the spaced retention apertures increases, causing the circumferential distance traversed by the retention member to increase, thus drawing the retention member taut.

Abstract: A climbing device for a removable attachment to a column member, such as a tree, includes a body having a pair of spaced contact surfaces. The body also includes a pair of spaced and elongated retention apertures that are configured to receive a flexible retention member, such as a strap, therethrough. The retention member initially retains the climbing device to the column member, such that the contact surfaces are urged against the column member. In addition, the retention members are spaced apart such that their top portions are spaced further apart than their bottom portions. Thus, as the climbing body is forced downward along the column member, the distance between the spaced retention apertures increases, causing the circumferential distance traversed by the retention member to increase, thus drawing the retention member taut.