Crossword puzzle clue "device with a controller design suggested by the aptly placed four other longest answers in this puzzle"

Device with a controller design suggested by the (aptly placed) four other longest answers in this puzzle

R. Kelly hit whose last title word is aptly rhymed with "sky" in the lyrics ... and a hint to the starts of the other four longest puzzle answers

The word, as suggested by the saying formed by the ends of this puzzle's four longest answers

Body part whose parts are aptly found at the bottom of this puzzle's four longest answers

Popular version of a design principle acronym spelled out by the starts of this puzzle's four longest answers

Move in a way suggested by this puzzle's 10 longest answers

Device found in this puzzle's three other longest answers

Indication of cooperation with ones hidden in this puzzle's four other longest answers