153. When bailee's lien is available.

(iii)     Bailee's Lien

153.     When bailee's lien is available.

As a general rule a custodian for reward has, in the absence of some special agreement1, no lien2 for his charges upon the chattel entrusted to him for safe custody alone3, though, unless the terms of the contract exclude it4, he acquires a lien if, with the owner's consent, he expends labour and skill upon it for its improvement5. Nevertheless, by implication of law, wharfingers6, packers7, and possibly warehousemen8, have a general lien9 for their charges upon the chattels of their bailors, but in the case of wharfingers this