Am in the middle of painting kitchen cabinets and am hanging the doors to paint on both sides at once. Did some research on ways to hang the doors and not interfere with the finishing and wasn't finding a good solution. Then I had an idea that has been working pretty good, maybe other folks here may find it useful. The doors have concealed hinges and I wanted to hang the doors from inside that pocket and then it hit me, fish hooks. Went to the local fishing store and cleaned them out of their largest barbless hooks. Once that hook is set into the wood it doesn't slip around, I walk the doors from the spray rack to the drying rack by holding the strings and the hooks stay put. Also since the hook is large but thin and doesn't at all touch the door surface it doesn't interfere with the spraying, and the doors hang vertical without a tilt. Anyway, here's a pic to better explain.