Honestly it's mostly inefficient. It's easy to use but doesn't really help the cervical spine. It can also be pressed, which can save a little effort compared to pressing directly with your hands.
Relax And Unwind With Miko'S Shiatsu Foot Massager - Switchable Heat For Ultimate Comfort
38 Review
Clitoral Vibrator Rabbit Bullet Egg G-Spot Waterproof Soft Silicone Powerful Stimulator Vaginal Anal Sex Stroker Women Couples Beginner Orgasm Pleasure
44 Review
Electric massager Kitfort KT-2905, black/grey
64 Review
STICKON Stainless Steel Gua Sha Scraper For Soft Tissue Mobilization And IASTM Therapy (M Shape) - Effective Massage Tool
43 Review