I've been struggling to find a good deep carry clip for the Delica 4 and after spending way more $$ than I care to think about on offerings from a dozen different brands I stumbled across these. They are not 'deep carry' clips, but they are 'deeper' carry clips compared to the stock one which makes a world of difference: the stock clip loved to snag on seatbelts, coats, etc, and the knife rode so high in the pocket I was constantly worried about it falling out. With this clip you only gain a few mm of depth, but it changes everything about the carry and I am beyond pleased with it!