Multi-Level Back Stretching Device, Back Massager Lumbar Support Stretcher Spinal Pain Relieve Back Pain Muscle Pain Relief How to Assemble the Lower Back Stretcher with Magnetic Acupressure Points Assembly step 1 Lay the base and support arch on a secured mat, rug or carpet. Assembly step 2 Put your knees against to fix the wider base end of the lower back pain relief device. Assembly step 3 You can slide the wider arch end into the wider base end easily Assembly step 4 A last, choose stretch level according your need and bend the arch into corresponding slot. Excellent multi-level waist and back massager to relieve all kinds of lower back pain. Our adjustable lower back stretcher is great for relieving back pain, lumbar pain spinal decompression, muscle relaxation and more. It can be used whenever you are lying or sitting, which is very convenient. Head Acupoint Massager Electric Soul Extractor Rechargeable Battery Octopus Scalp Vibration Massage Claw Alleviate Fatigue Promote Blood Circulation Tools Feature: 1. The 12 scratching strips are smooth and round, do not pinch the hair and hair, use it with confidence 2. One-key adjustment, multi-gear mode, free force, easy mode change 3. Intelligent pseudo-frequency vibration, free hands, relax nerve scalp Specification: Material: ABS Size: 20*20*20cm/7.87*7.87*7.87in Working voltage: 5V Power: 1.2W Battery capacity: 500mAh Charging time: 3 hours Mode selection: Light shock mode: used for daily relaxation of nerves and awakening vitality Severe shock mode: penetrate deep into the scalp, deeply relieve stress and relieve fatigue Mixed mode: alternating intensity, simulating irregular manual massage