Trills and castles

Trills
For instructions on how to understand notation please view this article

For slower trills:
 * [1] 2 ... or [1] (2) ...

If its too fast to one hand, alt tap:
 * example
 * [1] 2 (2) ...

If it is too fast to alt tap you can rake tap:
 * example
 * [1] 2 (2|2) ...

Sometimes the anchor changes throughout the trill, a good starting point to hitting the pattern is to alternate your pointer finger and middle finger on your tapping hand to tap quickly and change the anchor at the same time.
 * example
 * [1] (2) (2) ...

If you need to squeeze a little more speed out, you can triple rake tap, or if you can pull it off, quad rake tap, but these are rarely used:
 * (example needed)
 * [1] 2 (2|2|2) ... or [1] 2 (2|2|2|2) ...

Although this section is not exclusively triple rake tapping, it includes triple rake taps, the sections method is:
 * Triple rake tap example
 * [2] 454 (5|5|5) 353 (5|5|5) 35

Castles
This pattern can also be called castles, which refers to when the upper note or lower note changes through the trill. This famous castle has many methods:
 * A. [1] 2 (3) 4 (2) 3 (4) 5 ... alternating


 * B. [1] (2) 3 (4) 2 (3) 4 (5) ... inverse of pattern A.


 * C. [1] 2 3 4 2 3 4 5 ... one handed


 * D. [1] 2 3 (4) 2 3 (4) (5) ... only tap blue and orange

All of these are acceptable and there are others that exist, but with castles, you generally want to alternate the hands you tap with.
 * E. ([1]) 2 3 4 2 3 4 5 ... one handed but your right hand anchors green

guitarherophenom's tutorial on this section



Occasionally you will get a pattern like this:
You could of course alt tap this section, but there is an experimental method that involves rake tapping with your left hand which is not very practical in a real situation and is very uncomfortable.

This section's method is:
 * [1] (3) 3 (2) 2 ... or the inverse of this pattern where you start with your non tapping hand

Experimental methods
This is very hard and impractical method for the previous pattern so attempt at your own risk This next method is even more experimental and even more impractical and even less likely for you to happen across in charts The photo on a right is a nightmare; you have to rake tap chords here. This is possible if you use your pinkie and index finger to hit the first one and your middle and ring finger to hit the second, then your left hand to hit the 23 chord. The method written out is:
 * [1] (3|3) 2|2 ...
 * [1] (34|34) 23 ... this should not be attempted for anything other than memes.