The correct spelling for the phrase "hands onto" is actually "hands on to." The phrase means to physically touch or grasp something in order to control or guide it. The IPA transcription for this phrase is /hændz ɒn tuː/, which breaks down as follows: the "h" sound at the beginning is voiceless and pronounced by breathing out, the "a" in "hands" is pronounced like the "a" in "cat," the "n" is pronounced with the tip of the tongue touching the roof of the mouth, and the "u" in "onto" is pronounced like the "oo" in "boot."