metal puzzle in the form of a curve

addlement analyze answer background brainteaser charade concentration concept confusion conundrum crux curvature curve curved deadlock embroilment enigma flexible guess gyrus idea imbroglio intellectual intelligence intricacy links maze metal nobody ornate out puzzle puzzles question ravel rede riddle rotate serpentine shiny sinuous situation snafu solution solve spiral stainless steel studio tangle think twirl twist unravel unriddle weave white woven