The An object of the present invention is to provide an auxiliary tool of the fishing rod support device can be increased or decreased as necessary the number of fishing rod which can hold. For the A fishing rod support device that can be held to make a rod tube 16 for inserting a fishing rod (rod stand 10), an aid for increasing the number of fishing rod which can hold (an extra holder 20), it was increased It comprises an auxiliary cylinder 21 for holding the fishing rod, and the upper fixture 22A for fixing the auxiliary cylinder body to the top of the rod tube 16, and a lower fixture 23A for fixing to the bottom. .BACKGROUND【課題】保持できる釣り竿の数を必要に応じて増減できる釣り竿支持装置の補助具を提供する。【解決手段】釣り竿を挿入させる竿筒16を立てて保持できる釣り竿支持装置(ロッドスタンド10)に対して、保持できる釣り竿の数を増やすための補助具(エキストラホルダ20)であり、増やされた釣り竿を保持するための補助筒体21と、その補助筒体を竿筒16の上部へ固定するための上部固定具22Aと、下部へ固定するための下部固定具23Aと、を備える。【選択図】図1
