About: http://webisa.webdatacommons.org/73161131

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A block and strap are used, but you can use a belt or rope tether and a water bottle, book or other household object if you do not have props at home. (61 mins.)
http://www.w3.org/ns/prov#wasQuotedFrom	yogavibes.com