The Spartan Workout: Part 33 Lunges getting too easy? Try it with a sandbag. Or a sandwich, if you’re lazy. Maxim Staff 2 Apr 17, 2013 Share on Facebook Share on Twitter Share on Pinterest Lunges getting too easy? Try it with a sandbag. Or a sandwich, if you’re lazy. Share: Share on Facebook Share on Twitter Share on Pinterest Tags:spartan sports upkeep video