Tell you what: assume it's a loop, and I'll hook it to something that does have friction. Or, we could just nail it to something. I mean, if we're talking abo

Tell you what: assume it's a loop, and I'll hook it to something that does have friction. Or, we could just nail it to something. I mean, if we're talking about inelastic megastructures, the logistics of manipulating a frictionless string seems a little silly to worry about.