Bob demonstrates concerns with his back pack (and therefore Summer's)

Part 1

 Part 2

Bob sent much of yesterday and last night worrying that Summer transfusion pump/back pack was going to get snagged on something, causing her PICC line to get pulled out of her heart.  He was seriously really bothered by this so this morning he set his sights to make it safer.  

First he built his own version of a chemo transfusion back pack, tubing and all.  Then he proceeded to demonstrate all of the hazards in Summer's room, the kitchen - even climbing in and out of the van.  

Then he and Summer designed the ultimate shirt/contraption set up so that Summer could move freely throughout the house and Apt D.  

Below are all the hazards & subsequent "tragedies". 

Tucker comes to Bob's rescue when he fails in the kitchen.