Ever wondered why masons press finger notches into fresh plaster? 🧠 It creates a mechanical key that locks the top coat of mortar directly onto the wall edge so it never slips or crumbles off! Sponge float at the end for that razor-sharp finish 📐 Save this mason hack for your next job! 👇 #masonrywork #plasteringwork #constructiontips #contractorlife #rendering