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No Longer Roll / pen

No Longer Roll

In daily life, often lost pen cap, the pen is not easy to receive, to put more Easy rolling
on the table, the pen on the shaft bending solved easily put on the tableScrolling problem.
Bending part with magnetic, can adsorption of curvature of the same cap,When not in use,
more pen can be through the bending part of the magnetic suction in a mutually, are more
likely to receive.

University

COLLEGE OF SCIENCE & TECHNOLOGY NINGBO UNIVERSITY

COLLEGE OF SCIENCE & TECHNOLOGY NINGBO UNIVERSITY
Ning Bo, China

Lin Li,
COLLEGE OF SCIENCE & TECHNOLOGY NINGBO UNIVERSITY