This is not a park and grab. This is a gadget cache and may take a few minutes to solve.
A soda jerk was a person typically a youth,who operates a soda fountain in a drug store, often for the purpose of preparing and serving soda drinks and ice cream sodas. This wasmmade by putting flavored syrup into a specially designed tall glass and adding carbonated water.
We are soda jerks for a totallly different reason and you will see why.