{"version":"1.0","type":"link","title":"Bullworker - Newikis","description":"Bullworker is a product and fitness company that specializes in isometric exercise, that is the static contraction of a muscle without any visible movement. The original portable home fitness device was invented by Gert F. Kölbel in 1962.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}