Theraputty hand exercise material is utilized by therapists to develop and maintain grip strength since the 1980s. Many of you who have received therapy after a hand injury have probably used theraputty material. The patened puttycise tools are a new addition to the occupational therapy universe. These tools can pulled or, Be pushed turned through putty to produce specified exercises to simulate functional activities. Theraputty material is produced in the usa and carries the ce mark for sale outside the usa.