Thumb Score: +18

Amazon [amazon.com] has DenTek Professional-Fit Maximum Protection Dental Guard for Night Teeth Grinding on sale for $15.78 – 40% off when you ‘clip’ the coupon on product page [amazon.com] – 5% off when you checkout via Subscribe & Save = $8.68. Shipping is free w/ Prime or on orders $35+.

From Merchant’s Product Page: