Java Edition Item Hand is a visual addition that literally rotates the item in the player’s hand, which becomes similar to the Java version of the game (however there it only works with the sword).
This is reminiscent of the Java version, however there it only works with the sword, and on the Bedrock version, unfortunately, with all items
A few screenshots from the game for the changed entity:
It is also very important !:
not to merge resource files with others, but to use a separate package, otherwise this can lead to errors.
3.Settings > Global Resources > Activate the pack for a world in-game