Massage Gun, With 4 Attachments, Smgb B1Features: Targeted muscle massage for activation and regeneration Powerful trigger point massage for muscle relaxation 4 different attachments for customized application on various muscle groups: Ball head: for small muscle parts and groups (e. g., upper arm) Spiral head: for deep muscle tissue and targeted point massages (e. g., sole of the foot) U shaped head: for deep muscle tissue in the lower back area (excluding the spine) or Achilles tendon