>>7580902No, in that particular transformation sequence the black things disappears into the back of the Jeep. The wheels are already fully formed but the black thing just gets smaller staying at the edge of the feet that turns into the jeep's back.
EP1 contradicts itself anyway by having pic related.
In any case, all the transformations have Hound's head pop out of the hood, not formed over the hood by an attachment to the cannon.