Let’s regularly replace the rubber
Rubber also has a lifetime, it is not something that can be used anytime. The bad rubber will not get caught, so it will be bad and will cause the form to collapse.
When to replace the rubber
Estimated timing of rubber replacement varies depending on usage period and practice amount. The more time and amount of practice is consumed, the worn out quickly, even if practice frequency is not high, the rubber gently deteriorates with the passage of time. Estimated time of general replacement is as follows.
· If the average practice time is 1 to 2 hours a day: about 3 to 4 months
· when the average practice time is 2 to 3 hours a day: about 2 to 3 months
· average practice time is 3 to 4 hours a day Case: About 1 to 2 months