I've tried everything I've heard about. No method is perfect. The knife is slow and tedious. The cocktail shaker needs older, drier garlic to work. The little black rollie thing works pretty well on individual cloves, but if you're doing a lot it takes forever it (my salsa recipe takes two cups of garlic). When doing a whole head of garlic I roll it around in a silicone pastry sheet. That works, but the sheet slips and slides and it's too much for Mrs WD to handle.
Does anyone have a really GREAT way to peel garlic?