Offhand

Offhands are a type of cosmetic that replaces your offhand item, and are held in your offhand even if you don't have anything equipped. Offhands are purely cosmetic and will not override the armor, stats, or abilities of any shields or other items that are equipped.

Configuration

Configuration for offhands is simple! Just create or modify a file inside the offhands folder within whatever pack you're using with the following:

ICECREAM_CONE:
  Material: IRON_INGOT
  Model: 1337
  Display: "<gold>An Ice Cream Cone"
  Description:
  - "<white>Held in your hand!"

Offhands have the following options:

ID - The ID of the cosmetic (in this case ICECREAM_CONE)
Material - The material the cosmetic model is attached to in your resource pack
Model - The CustomModelData number the cosmetic model is attached to in your resource pack
Display - The display name of the cosmetic in menus
Description - The lore of the cosmetic in menus