The carrying plate 61 can be secured at {HEAD ~ a plurality} of locations along the length of the guide plate 60 depending on {TAIL ~ users preference} on the angle of rotation of the handholds 20, 22 in relation to a horizontal surface 
depending on
The carrying plate 61 can be secured at { HEAD ~ a plurality } of locations along the length of the guide plate 60 depending on { TAIL ~ users preference } on the angle of rotation of the handholds 20 , 22 in relation to a horizontal surface
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH