Can you distinguish whether it is tendon/ligenments, or muscles that are hurting?? How new are you at this?? Usually, "claw hand" only affects you when first starting, then it never bothers you again. Anytime a new guy starts working for me, I'm very cautious about letting them wash very much at the beginning without breaking in. They think I'm crazy, say they feel fine, and I tell them "yeah, but wait a day or two, you won't be fine, then you won't be worth anything to me. Break your muscles in properly so you don't start having cramps."
Like Apple, when I started lifting weights in my early teens I never thought belts/wraps, etc. made sense. My coaches would always say they were necessary, and I'd tell them it didn't make sense to me to squat with a belt squeezing your inners together, and bracing your back....doesn't that just create a 'weak spot'?? They'd say, "well, you don't want to injure yourself though." I never did it, because I knew that I ever needed to lift 300lbs off the ground out in the real world, I wouldn't have time to strap on a belt and wraps. I'd need those support areas of my body to be equally strong.
Now, 15yrs later, most don't recommend belts/wraps unless doing dangerous/heavy lifting. They create "weak spots". Same reason, I wouldn't use something to "help" to wash.....I'd want to correct whatever is causing you the pain. Like Apple said, maybe just rest will cure you. Let us know what happens,