Compressible 'Waffle" Shock Absorbers for Sore Heels Patented Design Compresses, Rebounds with Each Step Lifetime Warranty Shock Absorbers for Sore Heels Absorb shock and reduce heel pressure with these innovative heel cups. Just slip them into shoes to ease discomfort from arch, ankle, leg and back pain. These patented, rubber cushions feature a waffle design that compresses and rebounds with every step. 1 pair. Available in sizes: regular and large.