If no towel is handy when splinting, I just use my pant leg to dry the splint and help it cool down. What? It works.
A couple of drops of dish soap in the splint pan will keep the splint material from sticking to the pan. Don’t use more than that or you will have suds, and can wash your dishes in your splint pan.
The best way to improve splinting skills is to just do it. If you make a mistake, you can try again.
When putting sticky back Velcro on a splint or other item, use a heat gun or hot hair dryer to heat up the glue on the back first. This makes it stick better. Don’t hold the Velcro with your fingers when heating the glue. Finger burns make it hard to do therapy. Use scissors to