Where can you buy a zt pen spinning mod?

well i wouldn't buy one, i would just make one, u need one of those cruddy slick ultra grip (that's what i think its called) and two zebra telescope pens, just go to upsb.com and they will show u how 2 make it.

Or you can buy one Here: http://penwish.com/product_info.php?cPath=121_146&products_id=922