Flask Flip Flops

flip flops
A light sandal, typically of plastic or rubber, with a thong between the big and second toe
A backward handspring
(flip-flop) interchange: reverse (a direction, attitude, or course of action)
(flip-flop) a backless sandal held to the foot by a thong between the big toe and the second toe
An abrupt reversal of policy
(flip-flop) reversal: a decision to reverse an earlier decision

flask
the quantity a flask will hold
The Flux Advanced Security Kernel (FLASK) is an operating system security architecture that provides flexible support for security policies.
bottle that has a narrow neck
A container or bottle, in particular
A narrow-necked glass container, typically conical or spherical, used in a laboratory to hold reagents or samples
A metal container for storing a small amount of liquor, typically to be carried in one's pocket