This Spalding mitt had a series of problems: the buckle strap was broken, shoelace perimeter lacing replacing the original leather, broken down and missing stuffing inside and an ill-advised repair with a sewing machine to the crescent pad.
before:
Luckily, the mitt had no rips or tears and the leather was dry but still supple. I added a new piece of vintage leather to attach the buckle, pieced together some vintage leather lacing around the perimeter. I used some old horsehair to build up the form inside the mitt and undid the sewing machine repair around the crescent pad and using the original sewing holes I hand sewed around the crescent using the proper gauge thread. The canvas pocket inside the mitt forming the crescent was ripped and had to be sewn closed again.
after:
Cleaning the mitt was the easiest part since it was basically just dry. The color differences really jump out on the back of the mitt after the conditioning.