name like: https://en.wikipedia.org/wiki/Cog_(ship)
create new ship:
20 slots for livestocks like cows, horses...(pick rope to this slot and animal load to ship when you pick animal from slot you will get rope from this animal in hand and animal upload near ship)
3 slots for whale corps(only this ship can pick up whale corp)
20 slots for inventory object
NO SLOTS for objects like chest or dead animals
use knarrdock for docking
costs like knarr+40 bar of copper+500 straw
all other like speed(+1 speed in ocean), crew,... same that have knarr