Why it worked
The video offers a creative and unexpected "life hack" for musicians, combining two distinct instruments in an unusual way. The visual of applying violin rosin to a stick to play guitar is novel and intriguing, likely driving curiosity and shares.
Summary
The creator demonstrates a technique to make a guitar sound like a violin. They use a stick and violin bow rosin, applying the rosin to the stick and then rubbing it on the guitar strings to achieve the desired sound.