pf2e.fyi
From Pathfinder Lost Omens Cheliax, Infernal Inheritance, which isn't enabled.

Ride-By Recovery

FEAT 4
UNCOMMONARCHETYPE
Activity reaction
Archetype Cavalier
Prerequisites Cavalier Dedication
Trigger Your mount moves within reach of an unattended item of 1 Bulk or less.
Requirements You're mounted.

As you race past, you kick a fallen spear or other item up off the ground. You Interact to either pick the item up or bounce it off the ground into a sheath or other container on your person. You don't need a free hand to do the latter.

Pathfinder Lost Omens Cheliax, Infernal InheritanceORC