Wikipedia
Soloflex
Soloflex refers to both the Soloflex exercise machine and to Soloflex, Inc., the company that created and produces it. Instead of pulleys, the Soloflex used an elastomer Weightstrap made of heavy-duty rubber to create variable resistance. The company started out as Bucksteel Mfg in Roswell, New Mexico, in a small plant on the old Army Air Force base south of town.