"What should I do with my helmet?" While wearing a helmet when riding a bicycle is becoming commonplace, what we often hear from stores and customers is "Why do you wear a helmet while parking?" and "It's hard to carry it every time because you're worried about theft...". biclou is a bicycle helmet storage bag that solves such small daily problems. ◾️ The feature is the structure that can replace the wire lock. You can use the included simple lock as well as your own wire lock, so you can secure the helmet to the bike while still in your bag, helping to deter theft. The fact that you don't have to replace your lock is a point that customers will appreciate. In addition, the zipper tab is designed to pass through the zipper garage through the wire lock, making it difficult to open the zipper, and even if it is pried open, the opening becomes smaller and it is difficult to take out the helmet. ◾️ Breathability of water-repellent fabric ✖️ mesh The bag body is made of water-repellent nylon material to protect the helmet from sudden rain, mud splashes, and dirt. The bottom part is made of mesh, so even if you put a sweaty helmet on your way to work or school, it won't get stuffy and odor won't accumulate. When not in use, it folds compactly, so it doesn't get in the way of carrying and storing. ◾️ How it works (1) Put on the helmet (2) Pass the wire lock through the cylindrical part (3) Thread the zipper tab through the lock (4) 4 steps to lock it in a bicycle basket, etc. There is also a track record of crowdfunding and sales at catalog houses, It is a product that is easy to propose as a bicycle miscellaneous goods for commuting to work and school.