I don't always see quarrel shooters do this, but when facing a group of unprovoked monsters, you can use Scatter Caltrops near them to taunt them to attack the caltrops, allowing you to land a good Throw Gu Pot or spread Wugong Gu's infection. Caltrops also make good natural walls when rushing bosses, as unprovoked monsters will always attempt to hit the caltrops first before you, and any chasing monsters will be knocked down by it.