We spend a lot of time on this website showing you the best booties from around the Internet. But we don’t give much advice on how to achieve such pieces of butt perfection. The most efficient way to do so, at least according to Tumblr, is by doing squats. Check out 20 gifs of girls putting in the work to provide the best behind views possible.

1. Slow and steady wins the race

2. We approve of the tattoos as well

3. She needs two knee braces to hold up all dat ass

4. Those are some large weights

5. Who needs a gym?

6. The frontal view is just as good

7. Keep those hands up

8. She keeps her back very straight

9. Love to watch them going up

10. Not sure this is good form…

11. High socks FTW!

12. She adds a little color to her workout clothes

13. * Insert Something Witty About Butts Here *

14. This is the classic double squat

15. And twiiiiiinnnnsss

16. Couple different angles

17. There’s more than one way to do a squat

18. Is she doing these in an office?

19. The amazing Jen Selter

20. If you do squats right, this is the result

Want to see more results from doing all these squats? Check out our montage of Jen Selter’s best booty moments.

Joseph Misulonas is an editorial assistant for Playboy.com. He doesn’t really lift, bro. He can be found on Twitter at @jmisulonas.