Back in 2011 - Our Mini Postmaster was required by BWB to help install a variety of treated timber stakes along the Kennet & Avon Canal , which sits at 87 miles long connecting London with the Bristol Channel - passing through the Cotsworlds and Wiltshire. mini postmaster Autoguide's Mini Postmaster in combination with T H White's Palfinger Crane and BWB Barge. BWB needed to drive the treated timber stakes into the canals banks to help support a geotextile material, avoiding