Detecting object in offhand minecraft

/scoreboard players set @a nightvision 4 {Inventory:[{id:"minecraft:diamond_hoe",Slot:-106b,Damage:634s}]}
/scoreboard players remove @a[score_nightvision_min=1] nightvision 1
/effect @a[score_nightvision_min=2] minecraft:night_vision 20 1 true
/effect @a[score_nightvision=1,score_nightvision_min=1] minecraft:night_vision 0 0


/scoreboard players tag @a add jumpboost {Inventory:[{id:"minecraft:rabbit_foot",Slot:-106b}]}
/effect @a[tag=jumpboost] minecraft:jump_boost 5 2
/title @a[tag=jumpboost] times 0 40 0
/title @a[tag=jumpboost] title [{"text":" "}]
/title @a[tag=jumpboost] subtitle [{"text":"Jump Boost for 5 Seconds! "}]
/replaceitem entity @a[tag=jumpboost] slot.weapon.offhand air
scoreboard players tag @a[tag=jumpboost] remove jumpboost


/scoreboard players tag @a add minimap {Inventory:[{id:"minecraft:filled_map",Slot:-106b,Damage:5000s}]}
/tp @a[tag=minimap] -1087 177 -1074
/replaceitem entity @a[tag=minimap] slot.weapon.offhand air
/scoreboard players tag @a[tag=minimap] remove minimap

tag:{display:{Name:"key"}}
/scoreboard players set @a batmobile 4 {Inventory:[{id:"minecraft:diamond_hoe",Slot:-106b,Damage:634s}]}

scoreboard players add @a[score_batmobile=5] batmobile 2 {SelectedItem:{id:minecraft:stone_hoe,tag:{display:{Name:"Batmobile Keys"}}}}


testfor @p {SelectedItem:{tag:{display:{Name:"Batmobile Keys"}}}}