how to get explosive bow in minecraft

On 03/03/2014, at 18:16, Gero (Eease) wrote:
> Explosive Bow in slot 0
> ./scoreboard players set @a bow 1 {SelectedItemSlot:0}
> ./execute @a[score_bow_min=1] ~ ~ ~ scoreboard players set @e[type=Arrow,r=5,score_explosive=0] explosive 1
> ./execute @e[type=Arrow,score_explosive_min=1] ~ ~ ~ summon PrimedTnt