Shinco via Amazon offers its Shinco Dog Toothbrush Chew Toy 2-Pack for $23.89. Coupon code "42HG8WT8" cuts it to $12.99. With free shipping, that's $11 off and the lowest price we could find. Each dishwasher-safe toy is suitable for small to medium dogs and features a crevice for applying toothpaste. Deal ends January 31.