Naipo Direct via Amazon offers its Naipo Handheld Percussion Massager for $34.99. Coupon code "PC5000UL" cuts it to $27.99. Even better, Prime members get free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $7.34.) It features three interchangeable nodes and a wide range of variable speed. Deal ends April 5.