Neoprene thumb splint tutorial By Petro | May 17, 2016 - 9:00 am |May 14, 2016 Accessories Neoprene thumb splint – aimed at reducing pain by improving stability. Especially useful in conditions such as arthritis and hypermobility. Plus it's designed so you can still sew in it! Find the tutorial here. 111Share on Facebook653Share on Pinterest102Share on Twitter62Share on Instagram Bookmark the permalink.