Alleluia - the Greek form (Rev. 19:1, 3, 4, 6) of the HebrewHallelujah[?] =
Praise ye Jehovah, which begins or ends several of the psalms
(106, 111, 112, 113, etc.).
... the precession of the gyroscope is supported and amplified by wrist motion.
It takes a while until one finds the "rolling" point, but the gyro will also be accelerated ...