What kind of mat do you use...

beneath your computer chair to protect your rug?

Would you recommend one? I’d like to get a mat that will last. I saw a bammboo
one at…

http://www.solutions.com/jump.jsp?itemType=PRODUCT&itemID=9906

…and it seems kinda nice. Plastic ones seem to break easily according to one of my neighbors.

I’m absolutely open to suggestions, though.

I made my own chair pad out of 3/4-inch MDF and cheap-ass indoor-outdoor carpeting. Works great.

What’s MDF?

Medium-density fiberboard.

Oops. Medium Density Fibreboard?