SKTREX 5 Feet Length Strut Channel trolley track,1-5/8" high and wide 12 gauge Metal steel u channel with Short Slotted Back Channel - Pre-Galvanized Zinc Finish for Durability (pack of One)

SKTREX Channel Trolley Track Hanger Bracket for UNISTRUT Strut Channel, 1-5/8 Intermediate Support Hange Bracket for All 1-5/8" Channel Trolley Track (4)

Unistrut Trolley: A Better Approach to Overhead Mobility

Absurd Trolley Problems - Play Absurd Trolley Problems on Kevin Games

The real answer to the trolley problem

Two versions of the trolley problem elicit similar responses everywhere