M/V Hot Tool is a Jamaican bulk carrier operated by Dragman Ltd. The Master of Hot Tool issued to the shipper a Bill of Lading for cargo taken onboard, on the document was the clause "Weight, quantity, value and contents unknown". The shipper told the carrier to remove the clause as he will provide the relevant information regarding the weight, quantity, etc. With reference to the Hague Visby Rules, you are required to advise both of whether or not they are in their rights (meaning your answer such include, whether the carrier can include such a clause and can the shipper demand that he removes it). Provide relevant case laws to support your answer.