Tennispub is used to pickup balls directly from the field by pushing it bottom against balls on the ground. The balls will be retrieved into a tennispub through the bottom metal frame patently designed for this purpose.
A tennispub is also a combo bag for tennis play. It can hold rackets in its two main side bags. It can take clothing and shoes in the upper part of the bag. It can also hold small items, such as cellphones, keys and water bottles in two extra net bags at the sides.