Z-Spin Triple Stacking

Back-to-Back Z-Spin Triple Setup

Clockwise Rotate

Spin Complete

Line Clear

Clockwise Rotate

Spin Complete

Back-to-Back S-Spin Triple Setup

Counterclockwise Rotate

Spin Complete

Line Clear

Counterclockwise Rotate

Spin Complete

Recognizing the Shape

Both options available

Using an L

Stack

Using a J

Stack

Empty S/Z Triples

By the law of SRS rotation, the dotted square below must be filled for the system to register as a counted spin.

Therefore something like this performed mid-game will not count.

Towering

Example 2