A filter tip attachment device configured to form an intermediate product (IP) of a double filter cigarette by arranging a filter plug (FP) between two cigarettes (S), and then to form the double filter cigarette by winding around the intermediate product (IP) tip paper with an adhesive applied to one surface thereof, the filter tip attachment device comprising a conveying path configured to convey the filter plug (FP) or the intermediate product (IP), or to convey a preprocessed product or a post-processed product obtained before or after processing of the filter plug (FP) or the intermediate product (IP), further comprising: a first conveying drum forming a part of the conveying path and configured to convey the intermediate product (IP) in a circumferential direction of the first conveying drum while holding the intermediate product (IP); a second conveying drum forming a part of the conveying path and configured to receive the intermediate product (IP) from the first conveying drum and to convey the intermediate product (IP) in a circumferential direction of the second conveying drum ; a supply drum arranged to be adjacent to the first conveying drum and configured to distribute the tip paper and to attach a head edge of the tip paper to the intermediate product (IP) conveyed along the first conveying drum , wherein a gap formed between the first conveying drum and the second conveying drum and a gap formed between the first conveying drum and the supply drum is adapted such the filter plug (FP) is radially compressed upon passing through the gap, characterized in that a recess is formed at a holding section where the intermediate product is held on the first conveying drum , the recess being adapted to prevent the filter plug (FP) from being deformed. the filter tip attachment device comprising a conveying path configured to convey the filter plug (FP) or the intermediate product (IP), or to convey a preprocessed product or a post-processed product obtained before or after processing of the filter plug (FP) or the intermediate product (IP), further comprising: a first conveying drum forming a part of the conveying path and configured to convey the intermediate product (IP) in a circumferential direction of the first conveying drum while holding the intermediate product (IP); a second conveying drum forming a part of the conveying path and configured to receive the intermediate product (IP) from the first conveying drum and to convey the intermediate product (IP) in a circumferential direction of the second conveying drum ; a supply drum arranged to be adjacent to the first conveying drum and configured to distribute the tip paper and to attach a head edge of the tip paper to the intermediate product (IP) conveyed along the first conveying drum , wherein a gap formed between the first conveying drum and the second conveying drum and a gap formed between the first conveying drum and the supply drum is adapted such the filter plug (FP) is radially compressed upon passing through the gap, a second conveying drum forming a part of the conveying path and configured to receive the intermediate product (IP) from the first conveying drum and to convey the intermediate product (IP) in a circumferential direction of the second conveying drum ; a supply drum arranged to be adjacent to the first conveying drum and configured to distribute the tip paper and to attach a head edge of the tip paper to the intermediate product (IP) conveyed along the first conveying drum , wherein a gap formed between the first conveying drum and the second conveying drum and a gap formed between the first conveying drum and the supply drum is adapted such the filter plug (FP) is radially compressed upon passing through the gap, characterized in that a recess is formed at a holding section where the intermediate product is held on the first conveying drum , the recess being adapted to prevent the filter plug (FP) from being deformed. <EOS>