![Dom 🏴 on Twitter: "Anti rollback dogs - these engage with metal teeth on the lift hill that prevents the train from rolling back down the lift hill if the motor driving Dom 🏴 on Twitter: "Anti rollback dogs - these engage with metal teeth on the lift hill that prevents the train from rolling back down the lift hill if the motor driving](https://pbs.twimg.com/media/ETQJ2l2XsAA7f1S.jpg)
Dom 🏴 on Twitter: "Anti rollback dogs - these engage with metal teeth on the lift hill that prevents the train from rolling back down the lift hill if the motor driving
![Dive Machines? What are your thoughts? - Page 2 - Theme Parks, Roller Coasters, & Donkeys! - Theme Park Review Dive Machines? What are your thoughts? - Page 2 - Theme Parks, Roller Coasters, & Donkeys! - Theme Park Review](https://themeparkreview.com/forum/uploads/monthly_2008_02/tp2.jpg.1a10f35a8477dbf934c176a73aebf022.jpg)
Dive Machines? What are your thoughts? - Page 2 - Theme Parks, Roller Coasters, & Donkeys! - Theme Park Review
You have feed dogs on a sewing machine, and chain dogs on a roller coaster's lift hill, why are they called this if they look nothing like actual dogs? - Quora
![Dive Machines? What are your thoughts? - Page 2 - Theme Parks, Roller Coasters, & Donkeys! - Theme Park Review Dive Machines? What are your thoughts? - Page 2 - Theme Parks, Roller Coasters, & Donkeys! - Theme Park Review](https://themeparkreview.com/forum/uploads/monthly_2008_02/tp1.jpg.083e6611df822be0d9569eccf834207d.jpg)
Dive Machines? What are your thoughts? - Page 2 - Theme Parks, Roller Coasters, & Donkeys! - Theme Park Review
![Traveling kiddie carnival ride roller coaster heavy traction chain dog under construction in a shopping mall parking lot in Niles, Illinois, USA on a sunny summer morning Stock Photo - Alamy Traveling kiddie carnival ride roller coaster heavy traction chain dog under construction in a shopping mall parking lot in Niles, Illinois, USA on a sunny summer morning Stock Photo - Alamy](https://c8.alamy.com/comp/PGGWAT/traveling-kiddie-carnival-ride-roller-coaster-heavy-traction-chain-dog-under-construction-in-a-shopping-mall-parking-lot-in-niles-illinois-usa-on-a-sunny-summer-morning-PGGWAT.jpg)
Traveling kiddie carnival ride roller coaster heavy traction chain dog under construction in a shopping mall parking lot in Niles, Illinois, USA on a sunny summer morning Stock Photo - Alamy
The Rollback Appreciation Society - The familiar "click-clack" sound that occurs as roller coaster train ascends the lift hill is not caused by the chain itself. The cause for this noise is
![Mumbo Jumbo, Flamingoland, Behind the scenes - Best Theme Park Attractions and Extreme Adventures in USA Mumbo Jumbo, Flamingoland, Behind the scenes - Best Theme Park Attractions and Extreme Adventures in USA](https://www.ridemad.com/wp-content/uploads/2019/02/4142932667_b2714fbee1.jpg)