As we look forward towards the first sustained warm days of 2016, I’m reminded of the last few of 2015. Namely the record breaking exploits of Spencer Seabrooke in Squamish, BC in early August. I myself have been slacklining, admittedly 289 meters lower than Spencer, since last summer, and occasionally encounter inquisitive onlookers seeking explanations, and sometimes lessons. For those who belong to the latter category, look no further. The following will serve as a brief tutorial on how to slackline. Your first step is finding a suitable spot. I recommend a grassy locale with a soft landing for the inevitable tumble – free of any sharp debris such as…