FSA 120 Cordless Brushcutter FR 460 TC The lower strap is connected

The lower strap is connected to the knee ascender with a girth hitch on the side of the black loop

Comparing knee ascender systems

Swivel attachment points reduce torsional forces

STIHL RT 5097 Z Petrol Ride-on Lawn Mower

FSA 120 Cordless Brushcutter FR 460 TC The lower strap is connectedSTIHL FSA 120 Cordless Brushcutter The STIHL FSA 120 is a high performance cordless brushcutter designed for demanding landscaping, grounds maintenance and large garden mowing tasks. As part of the STIHL AP System, it delivers excellent mowing performance with low noise output ideal for use in schools, hospitals and residential areas. With constant power electronics, the FSA 120 maintains full cutting performance even as battery charge decreases.