It was a cold, wintry morning in January as Tasha and I walked over the frosty grass, our breath fogging the air. We’d had an early start to get up to Settle in Yorkshire for the first day of our Tree Climbing and Aerial Rescue course, delivered by Phil at Lowe Maintenance. Armed with our new helmets, excitement, and a healthy dose of trepidation, we were to spend the next week learning the names, merits and shortcomings of all the equipment from prusiks to zigzags, and putti