How do the blocks stay in the pocket?
There are nuts in the channels to help keep them in. Gravity does the rest. For most applications, they stay in. In severe cases, we have provided holes in the supports for bungee chords or rope to be used to hold them in place which is covered in the manual. Tying them in is usually only required where the gravel has a lot of larger stones that get pulled up while using the DRIVEWAY Groomer such as a lot of the bank run gravel we have p here in the northeast.
