Can you attack with a Grapple weapon while grappling the opponent

Grappling - Def Jam: Fight for NY Guide - IGN

would attaching the sword to the forearm with a short chain to prevent disarming be viable? : r/SWORDS

D&D: Can you attack with a weapon when you grapple? - Quora

Can you attack with a Heavy weapon while grappling? : r/dndnext

DnD grapple 5e rules guide

Character Build: The Grappler

Grappling - Def Jam: Fight for NY Guide - IGN

D&D: Can you attack with a weapon when you grapple? - Quora

Knock-down, Drag-out: A Rune Knight Grappler build for 5e — Caverns & Creatures