The Ulticlip Slim 3.3 is a mounting clip system that can be attached to a sheath or holster.
ULTICLIP Slim 3.3 Fixed Blade Clip for Belt-Less Carry - KnifeCenter - 238-DSLIM33
SLIM 3.3 - UltiClip
UltiClip Slim 3.3 – Four Brothers
ULTICLIP SLIM 2.2 : Sports & Outdoors
Ulticlip Slim 3.3 - holder for the Kydex with screws
UltiClip 3+ – Four Brothers
ULTICLIP Lock Expansion Pack - Tactical Elements Inc
SLIM 3.3 - UltiClip
ULTI-CLIP UltiTuck Attachment Clip - Black - Blade HQ
Ulticlip Slim 3.3 - holder for the Kydex with screws