JST Loom Clinic – Louet David Locking Pin Search For Search Home Knowledge Base Video Tips & Tricks + Handy Dandy Tools JST Loom Clinic – Louet David Locking Pin Jane shows how easy it is to install and remove the Louet David locking pin. Share on Twitter Share on Facebook Pin this product Share via Email Was this article helpful? Yes No Related Articles How to read a Reed Substitution Chart 4 986 Calculator: Reed Substitution 18 3199 Splicing your weft threads 2 1332 Managing your warp separator paper 2 729 Has your bobbin run out of yarn? Splicing is the answer. 6 1041 Chaining your Warp 5 1156