I shared this during "Show and Tell" with my guild. I made 80 new converts that night.
If you are not familiar with these, here is the link to see them:
http://www.harborfreight.com/pack-of...des-97642.html
Note, online, they are on back order. If you going to buy them local, you might want to call first. Their website also has a store locator. I didn't even know we had one in our town...and for heaven's sake, don't tell them what we are using them for!