summon item ~ ~ ~ {Tags:["jjc","backup_inventory"],Item:{id:"player_head",components:{"custom_data":{backup_inventory:1}}},NoGravity:1b,PickupDelay:100s,Age:5998s}
item modify entity @n[distance=..200,type=item,tag=backup_inventory] container.0 colosseum_of_fools:head
function colosseum_of_fools:config_main/backup/1 with entity @n[distance=..200,type=item,tag=backup_inventory] Item.components."minecraft:profile"
kill @n[distance=..200,type=item,tag=backup_inventory]