Ninjya goods : Kaginawa
Length of the rope : about 1.5 M
Kaginawa is the combination of the words kagi meaning hook and nawa meaning rope.
The kagi would be attached to a nawa of various lengths, this was then used to scale a rather large wall, to secure a boat, or for hanging up armor and other equipment during the night.
Kaginawa is one of the Ninjya Seven Tools.
Aoi Art estimation paper : whole Oshigata.