re: 07 OC50 removeable forestay
Have a look here :
Retainer for detatched Inner Forestay
There's a fitting available and a picture of one in use in 3rd post down the page.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)