Wahl Deep Tissue Percussion Therapeutic Massager. Deep kneading therapeutic massager helps relax and relieve muscle tightness or soreness. Ergonomically designed hand grips make it easy to hold and a 9 foot cord for maximum power. Wahl Clipper is the #1 brand of beard trimmers and hair clippers. The brand used by professionals since 1919. We are proud to celebrate 100 years as the standard for grooming products used by barbers and hairdressers all over the world. Professionals and home users have relied on our innovative clippers, trimmers and personal care products for an entire century.