When you visit the beach, Someone bring own's mats or parasol and the other may borrow parasol.
However, if you go into water, you can't take easy heart about your luggage. Because there has in open space.
Also, parasol and mats are exist all around you!
So, we have some problems here.
First, There has many of parasol and mats.
so, it's too hard to look for your parasol.
Second, it has possiblity that you're luggage is stolen.
As you can see, It seems like snow crystal.
I refer to design shape from snow crystal images that make people feel cool.
It has 'main body' and devided each modules which are worked GPS and emergancy alarm.
To apart module from main body, hang in backpack, tube, etc.
And these modules are interlocked with main body using smart phone application.
After install modules to each luggage, here's some applications below.
