Roll 02 : A technique involving positioning a strop in such a way that it causes a log to roll in a desired direction when the rope is pulled (usually to clear an obstruction or to remove branches)
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}