https://sport.woot.com/offers/abmat-landmine-grip?ref=w_ngh_mc_itm_is_1_tl ABMAT Landmine Olympic Barbell & Sled Grip Attachment for $8.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is $6 per order.