Bone Collector T-Rex Unencumber by T.R.U. Ball. Color: Black. Jaw Sort: Closed. 4 finger thumb Unencumber featuring an adjustable trigger, In-built lanyard, individual trip and sensitivity screws with locks, multi-positional thumb barrel and teardrop and a straightforward to load jaw. Adjustable trigger. In-built lanyard. Individual trip and sensitivity screws. Expertly comprised of robust materials. Rigorous quality you’ll be able to consider. Crafted to set the criteria for excellence.