Ciclo Di Cuoio question

[ultraman6970]

Anybody have use this thing? The Leather needs to be glued 1st?? anybody knows how this thing is installed? Clearly the leather needs to be installed wet but from what I see in the pictures just wonder if needs to be glued too...

Thanks...

[bicycletricycle]

the old versioons of these on cinelli bars and such were not glued