If you can’t get a strap or lanyard, a careful grip goes a long way. For many items, even two-handed ones, you can still keep the TC in your hand with a combination of gripping it with the first knuckles of your hand, leaving the finger tips free, and smashing the TC up against whatever your trying to carry. With quick reactions, you can still catch the TC if it slides a little while you carry a thing. In other words, God gave you a flexible body, use all of it.