Dyson trigger lock + extra safety lock

Dyson trigger lock with extra safety feature that prevents unwanted power offs.Hi everyone!My brother had a problem with his Dyson V11 electric vacuum and he asked me to find a solution to keep the red ON button engaged while his both hands are free. I've found the base model and printed it - it printed and fit very well but my brother found an issue with it. Due to vibrations created by the vacuum's motor the trigger could not keep the button pressed and kept switching the vacuum off on