I make stuff you can get at ... but I want to help you make stuff too!! Couldn't find a tutorial for this, so I thought I'd do one myself!! This is on making the pattern and assumes you already have a normal sleeve pattern and basic
by ABC TV
by Sheruknittingcom
by The Corner of Craft
by ideeregalosissy
by Smriti Art and Craft
by CraigLoves2Crochet