Db97531

"Db" redirects here. For the 12 ball pattern, see "Halfshower".

db97531
7 ball freeze-frame
Capacity	7
Period	7
Full period	14
Orbits	7
Composition	Prime
States	(Ground state) 1111111 - (d) 1111110000001 - (b) 111110000011 - (9) 11110000111 - (7) 1110001111 - (5) 110011111 - (3) 10111111 - (1)
Ladder diagram
Stack notation	7654321
Dual	Self-dual
Anagrams	d13579b d137b95 d13b759 d15973b d19537b d31b579 d3571b9 d37519b d379b51 d37b159 d7193b5 d73159b d79b153 d9357b1 d951b73 d97b135 db15793 db71359

 Db97531 is a symmetrical 7 object siteswap where all the throws cross, and the objects are thrown and then caught in the reverse order. This is the 7 object version of b97531. The d (a "13") is four times as high as the cascade, and almost 1 1/2 times as high as the b (an "11"). All the objects should peak at the same time.

Ben Beever was the first person to do a db97531 (on the Siteswaps DVD), Daniel Eaker was the first person to connect two of them and go back to a qualified pattern,^(video) and Lauge Benjaminsen was the first person to do three connected db97531s to a qualify.^(video) The youngest person ever to do a db97531 to a qualify was Leo Daniels, at age 12.^(video)

World records Edit

A round of this pattern is one instance of the throws "db97531", all of which must be caught for that round to be counted. Multiple rounds must all be directly connected.

World records with publicly available video evidence:

• 7 ball db97531: 26 rounds by Ofek Snir in 2016 (video)
• 7 ring db97531: 1 round by Lauge Benjaminsen in 2012* (video)
• 7 club db97531: 1 round by Moritz Rosner in 2020 (video)

Records with insufficient video evidence:

• 7 ring db97531: 1 round by Jonah Botvinick-Greenhouse in 2018* (video is not visible to the public)

Unverified claims:

• 7 ring db97531: 1 round by Christian Hauschild in 2014 (claim) and Eivind Dragsjø (claim)

*to a qualify

Siteswap exercises Edit

You can use these exercises to practice the same kinds of throws and sequences of throws that are done in this pattern, before you learn the full pattern.

Some of the siteswaps listed below are shortened to leave out parts where you’re not doing anything. Click on them to see animations of the exercises.

You should practice doing these starting with your right hand and with your left hand, so that you will be ready to learn the full symmetrical pattern.

Prerequisites: b9753, 8888881

Exercises to prepare for db97531:

• 1 ball d
• 2 ball db
• 3 ball d
• 3 ball db1
• 3 ball db9
• 4 ball db
• 4 ball db91
• 4 ball db97
• 5 ball db9
• 5 ball db971
• 5 ball db975
• 6 ball db97
• 6 ball db9751
• 6 ball db9753
• 7 ball db975

Variations Edit

• fdb97531

• fdb9753

• e531db9
• db97c31
• db975a1db97538
• db97538

• eca86420