I think that sub #2 as to work a little harder too. 
Where the fuck machine is hot and the electro too only PuppyKaiden has to do the hard work. 
Maybe, if pup#2 was lock farther away and need to bend and force to reach the cock of PuppyKaiden. 

So both will have to be physically active for the contact to be made.:-) 

Double predicaments. 