MIMF

Some modern bow makers produce bows that look like a clip-in frog type, but actually have an eyelet, screw etc like a modern bow. The hair runs around the frog and is held in the bottom of the frog instead of the top like usual. Because the button is made to look like a finish cap for the stick (lik...

Maybe this is redundant but I have put together a drawing of how the hair is held in a clip-in frog. The shape of the plug and hair mortice in the stick is critical to keeping the hair in place without resorting to glue etc. Perhaps it will help? It does not show the hair channel running up the back...