Hey no no, I sharpen on the float glass blocks using adhesive silicone carbide paper. The float glass is precision flat (made on molton tin If I recall correctly) and thus that produces perfectly flat scandi edges. I the strop on the kangaroo Suede with a compound and finish on the leather strop without any check my YouTube channel out which covers it in more detailTom do you use stones & finish the edge with a strop? Are those 3 different grade strops on those three nice blocks of wood?