How to attach a block to an s-hook

We use small blocks on our downhaul and medium becket blocks on our snotters for many of our Cat Ketch rigged designs. The block pictured is a Ronstan 20mm single block (RF-20101). The small end of the s-hook must be opened up to accept the block and then reclosed. The strap of the block must be squeezed slightly in order to rotate smothly in the closed hook. What you will need: -Bench vise or C-clamp and scrap wood (pictured) -Pair of vice grips or the corner of a bench vise. -A medium to large size adjustable wrench Clamp the S …