Wolf Garten Patio Weeding Brush FBM Garden Multi Change Cleaning The multi change cleaning range is useful for cleaning patios, paths, decks, ponds and even greenhouse windows. This range helps keeps the home and garden clean and tidy, whilst saving you valuable stoarge space, time and effort. Wolf Multi Change weeding brush has stiff steel bristles for removal of weeds and moss from between paving slabs. Clears your patio quickly and without bending. Part of the multi-change system, attaching it to a handle of the required height will prevent over straining.