Appl Cannon is a TSS -> [[Super T-Spin Double|STSD]] opener created by 10Penta that covers all first bags when used with [[Sin == Second Bag STSD ==

=== STSD === === STSD ===

...in]]), though it can also go from the TSD into an STSD, or straight into a STSD without the TSD first. The opener is named due to it sounding like "Kerr's" ...gh there is one important exception where you'll use it for a clean TSD -> STSD instead.

====Skim STSD -> PC==== This STSD isn't as preferable as you will need to skim a line with the Z piece, getti

...requires 5 tetrominoes to execute, and can easily be followed up with an [[STSD]]. The L piece is placed after clearing the second line. == STSD Stacking ==

== Standard STSD == The [[STSD]] continuation is the most viable option for following up the Dragon Specia

== STSD Snake == These setups are essentially [[STSD Setups|Super T-Spin Double]] setups stacked one on top of another.

'''Cheese Mouse''' is an STSD opener created by SpikyLlama. This opener is useful for its wide number of ...econd or third bag and you used an S overhang, you can build a Trinity (or STSD if you have finished your second T-Spin Double) like so:

=== [[Super T-Spin Double|STSD]] -> [[Trinity]] === [[Category:T-Spin openers]]

* '''[[STSD]]''' * '''STSD'''

'''Super T-Spin Double''' or short '''STSD''' is a technique that results in two T-Spin Doubles. The technique is ofte === STSD with T Base ===

'''STSD+''' is a setup that adds a [[T-Spin Single]] Mini before a regular [[STSD]]. STSD+ requires 2 bags to setup. By doing the T-spin Single Mini before the setup

...T-Spin Triple. It can be used when your opponent opens with delayed T-spin openers such as DT cannon, or combos such as 4-wide. ...rly with an opener like [[TKI 3 Opening]], you can always opt out for an [[STSD]] instead. This would often be a safer option.

...osition like in [[STSD]] which makes it different from most other platform openers. It has quite some dependencies in the first bag (L after O, Z after S, J a ...beneath it, and prepare a T-Spin Double as if the setup was just a regular STSD. Note that in diagram 3, the J piece must be spun 2 times to reach the desi

== STSD Followup == This continuation creates a donation STSD after the Pelican's 1st T-Spin, which may lead into a T-Spin Triple and a T

===STSD route=== This is an example to build a STSD

===== STSD (Z -> S) ===== An [[STSD]] can almost always be stacked if Z comes before S.

The first example can extended to a BT STSD. The second example can be converted to a Fractal. * '''[[STSD]] -> [[Imperial Cross]]'''

...an always be executed on the 3rd and 4th bags, unlike most other TST Tower openers. There are also Incomplete TST and LST continuations. Alternatively, on the 4th bag, you can setup this STSD with OSZ interchangeable (by winterfrost):

== STSD == You can also do an [[STSD]] with a 58.3% chance to end with a Perfect Clear after 14 lines.