I have been scanning ebay for a cheap harness and wondered if anyone has tried this?   http://www.ebay.co.uk/itm/YaeTact-Tree-Carving-Fall-Protection-Rock-Climbing-Equip-Gear-Rappelling-Harness-/152731349990?hash=item238f7f73e6:g:SfgAAOSwb-tZ1r9b