metal prongs
- forkTined eating tool
- tinesFork's pointed projections
- pitchforkPronged tool for moving straw
- spearPole with sharp point
- pierceMake hole through
stab · jab · plug · outlet · electrical · sharp · pointed · spike · trident · comb · teeth · rake · barbecue · skewer · prod · poke · conductor · insertion
shape/form
metal prongsflat surface
Level, even area
smooth surface · rounded edges · rounded edge · receptacle · socket