We can learn from this video that riding Dual Snowboards, a mix between snowshoeing and skiing sideways, will not get you kicked out of resorts. If you’re keeping track, this is the snowboarding version of snowlerblading. In terms of embarrassing extensions of one’s sport, skiing and snowboarding are now in a dead heat. Snowboarding: Teleboarding, Dual Snowboards. Skiing: Monoski, snowlerblading. What am I missing here? (Don’t say “telemarking.”)