Attachment assembly

A mountable surface for an attachment assembly, comprising:

• a plurality of detachable straps disposed across the mountable surface and positioned against the mountable surface by one or more retainers extending along the mountable surface and transverse to the plurality of detachable straps, each of the plurality of detachable straps including a first end and a second end;
• a support structure disposed on or behind the mountable surface and having a side configured to receive a releasable fastener for securing the first end to the mountable surface;
• and
• an attachment assembly coupled to the support structure and including:
• a mounting member;
• and
• one or more adjustment mechanisms each nestable in a recess of the mounting member, pivotable relative to the mounting member, and positionable in a fastened position or an unfastened position, wherein, in the fastened position, each of the plurality of detachable straps has a fixed usable length, and wherein, in the unfastened position, the each of the plurality of detachable straps is adjustable between a first usable length and a second usable length.