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Thumbtack is very convenient stationary. But it has problem. Removing pins and collecting pins to put into case are very inconvenient. Here is a simple, clever solution for the problem. The idea is combining case and puller together. The puller also works as a sliding cover of tack case. And the sliding puller makes progress simple. People can pull out the tacks and collect tacks at once very easily. People do not need to feel frustrating. Another advantage is it has same piece number as normal thumbtack case. The production cost would be same as normal tacks. The new slide tack idea provides big advantage to people without big investment.