Three In Hand: SiN oL uR oC T
Diagrams are as viewed in a mirror

SiN: Drape Seam in, tie with Narrow end

oL: Wrap over the knot to your Left

uR: Wrap under the knot to your Right

oC: Wrap over the knot to your Center

T: Tuck under a loop.

Key:

STANDARD STARTS:
SiW: Drape Seam in, tie with Wide end
SiN: Drape Seam in, tie with Narrow end
SoW: Drape Seam out, tie with Wide end
SoN: Drape Seam out, tie with Narrow end

WRAPS:
oL: Wrap over the knot to your Left
oR: Wrap over the knot to your Right
oC: Wrap over the knot to your Center
uL: Wrap under the knot to your Left
uR: Wrap under the knot to your Right
uC: Wrap under the knot to your Center
Loose: Keep previous step loose.

TUCKS:
T: Tuck under a loop.
T[1]: Tuck under first loop. (counting from outside)
T[2]: Tuck under second loop. (counting from outside)
T[3]: Tuck under third loop. (counting from outside)
T[4]: Tuck under fourth loop. (counting from outside)
T[5]: Tuck under fifth loop. (counting from outside)

SWITCHES:
N: Switch to tying with Narrow end
W: Switch to tying with Wide end

CREASES AND TWISTS:
CR: CRease by folding in half lengthwise with seam hidden.
uCRSo: unCRrease and turn Seam out.
uCRSi: unCRrease and turn Seam in.
TW: Half TWist seam to opposite side.
So: Twist seam out
Si: Twist seam in

FOLDS:
FLDoR: Fold over to the right.
FLDuR: Fold under to the right
FLDoL: Fold over to the left
FLDuL: Fold under to the left
FLDoC: Fold over to the center
FLDuC: Fold under to the center
FLDi: Fold seam in
FLDo: Fold seam out

ALTERNATE STARTS:
WBE: Start with tie in front of your neck, wrap both ends behind your neck and back to the front

FOLDED STARTS:
SiFW: Start Seam in, off your neck with a Fold, tie with Wide end
SiFN: Start Seam in, off your neck with a Fold, tie with Narrow end
SoFW: Start Seam out, off your neck with a Fold, tie with Wide end
SoFN: Start Seam out, off your neck with a Fold, tie with Narrow end

FINGER DRAPE STARTS:
FiW: Start Seam in, draped over your finger, Wide in front
FiN: Start Seam in, draped over your finger, Narrow in front
FoW: Start Seam out, draped over your finger, Wide in front
FoN: Start Seam out, draped over your finger, Narrow in front
FL: Before starting the knot, pull the front portion long