Not sure how useful they would be for pens

[jleiwig]

but I think these things are awesome. Reminds me of my mouth guards when I played football

http://www.ptreeusa.com/edirect_060509.htm

http://www.delviesplastics.com/mm5/...Store_Code=DPI&Category_Code=Cast_Acrylic_Rod

 

[justaccord]

Just kidding... .

How did you dip your teeth in there? Did it taste bad?