How do you use ferry pieces?

Almost all custom variants have ferry pieces. But how do you use those?

tf is a ferry piece?

in the variants server's position editor....

fairy piece*

Do you mean ferry sailboats?

https://www.chess.com/clubs/forum/view/the-fairy-pieces-introduction

It's fairy pieces

alibaba ,alfil and their,s riders artibishop and amazon ,berolina,camel and his rider , Dragon bishop ,grasshoper,general and hiqque horse. dibaba and his rider nightrider, soldier ,sergeant ,stone general , 1 point queen , and 3 more pieses what i forgot thei,rs names

A=amazon

(B)=bishop

C=Camel

D=1-point queen

E=chancellor

F=ferz

H=archbishop

I=alfil

J=alfil-rider

(K)=king

L=camel-rider

M=general

(N)=knight

O=knight-rider

(P)=pawn

(Q)=queen

(R)=rook

S=dababa

T=dababa-rider

U=xiangqi horse

V=wildebeest

W=wazir

X=brick

x=transparent brick

Y=alibaba

Z=alibaba-rider

Triangle=dragon bishop

fairy pawns: berolina, stone general, sergeant, soldier

parenthesis() means a piece is not fairy

Oh is it too long