[12 piece bucket]

Are you saying that if the forearm and the rest of that appendage, when laying on the same plane, only the forearm can meet the perpendicular criteria?

Curious, very curious and probably sufficient cause for me to holler out for Mike O's assistance!

Well . . . it is the Left ARM Flying Wedge but it is the Hand Motion (turn roll swivel) that is accomplished by the bones in the forearm . . . so I ain't sure . . . Don't call Mike O . . . his two cans and a string won't reach across the pond.