TacklifeDirect via Amazon offers the Tacklife Aerating Lawn Soil Sandals for $13.97. Coupon code "TRWLM9CK" knocks it to $9.78. With free shipping via Prime, that's the lowest price we could find by $5. Each sandal fits over your shoe and features four aluminum metal buckles plus four adjustable straps. Also included are two extra spikes and a wrench. Deal ends January 14.