This mod will allow you to change the holding of the item. The mod is intended as an assistant to the creation of maps and datapacks.
PS: Lamp is not added by my mod
/item HoldingType Block
/item HoldingType BowAndArrow
/item HoldingType CrossbowCharge
/item HoldingType CrossbowHold
/item HoldingType Empty
/item HoldingType Item
/item HoldingType Spyglass
/item HoldingType ThrowSpear
/item HoldingType TootHorn
/item HoldingType ThrowSpear BothHands