By A Mystery Man Writer
The heavy chest can be obtained as a reward from master reward caskets, which are obtainable by completing master clue scrolls. It has no stat bonuses and is purely cosmetic. Carrying the chest will also change the player's idle, walk, and run animations.
Zulrah - OSRS Wiki
Chest (Barrows) - OSRS Wiki
Kerapac, the bound - The RuneScape Wiki
Hermit crab chest, RuneScape Wiki
Crystal chest - The RuneScape Wiki
Silver Chest (black) - The RuneScape Wiki
Wiki says Linza's Hammer gives 5 (100%) Undead components. Can anyone confirm it? Cause there's no undead comp when analysing it. : r/runescape
Culinaromancer's Chest, RuneScape Wiki
Ogre coffin, RuneScape Wiki
Culinaromancer's Chest, Old School RuneScape Wiki
Sledge (Christmas Village) - The RuneScape Wiki