I purchase the larger model a while ago, and finally tried it with the pins. Excellent.
Tried dish soap... good. Tried TURTLE WAX MAX POWER CAR WASH, even better. Tumbled for 1.5 hrs and rinsed.....spotless. Final quick tumble using Ultra Shine Car Wash and Car Wax by Armor All to help prevent tarnish. Dry with towel, and set in sun to dry case interiors. Looks like new.
Cleans quicker than dry media, and no dust.