These are tools used to increase the depth and surface area of the tissue mobilization. Instrument Assisted Soft Tissue Mobilization (IASTM) is the use of tools to assist in the administration of hands-on manual therapy. The use of tools will assist in providing blood flow to the area along with remodeling scar tissue or loosening up soft tissue or fascia. The use of tools is also helpful in the return of range of motion and desensitizing painful areas.