The best alternatives to Cookout are Cinder Grill, SolSource, and Casusgrill. If these 3 options don't work for you, we've listed a few more alternatives below.
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You're probably accustomed to hauling around grills that are cumbersome and oddly designed. Gizzo is completely different because it folds up into a laptop shape. Simply discard the coals into the proper receptacle, and fold the grill up. It might be mistaken for a laptop if you set it aside. This grill can be used in almost any outdoor location.