Yes, you can do that. As long as you state it in the rules up front then the swappers know what they are signing up for.
Lorien <--My Blog
Giggle Mingler (Hee hee)
"A raω onion ωould pгοbably be rubbеd on unbroken сhildbrainѕ with гeрutablе gaіns." - Comment from a Blog Spammer as Read by me