2 ms·
I think it just happens randomly, and here is the answer about the mechanism: https://www.youtube.com/watch?v=iyHVwUe66qw https://www.youtube.com/watch?v=iyHVwU
by js8 9y ago
I think it just happens randomly, and here is the answer about the mechanism: https://www.youtube.com/watch?v=iyHVwUe66qw https://www.youtube.com/watch?v=iyHVwUe66qw