PAWN

Are permitted provided that the lien law contained no elements of usury. Even several times was recorded Prophet Muhammad SAW mortgaged his property.

Prophet Rasullullah allow us to take advantage of the goods pawned to cover maintenance costs. Maintenance costs that are then used as the basis of ijtihad Islamic finance experts, so this becomes a pawn or Rahn Islamic financial products are quite promising.
http://www.fiqhislam.com/index.php?option=com_content&id=22487&Itemid=197

Pawn is a product of Islamic pawnbroking service (rahn) who claimed carried out according shariah, as a corrective to conventional mortgage is haram because charging interest (riba). Islamic pawn developing post-discharge DSN MUI Fatwa No. 25/DSN-MUI/III/2002 about Rahn, DSN MUI Fatwa No. rahn 26/DSN-MUI/III/2002 about gold, and DSN MUI Fatwa No. 68/DSN-MUI/III / 2008 on rahn tasjily. Since then bloom various Islamic pawnbroking service, both at the Pawnshop Sharia and Islamic banks in various.

 Sharia does not remove the lien interest, but replace it with the cost savings and interest on the basis of Ijarah contract (services).
http://www.hidupberkah.com/slide-news/hukum-gadai-syariah/

Indonesia as a country with a majority Muslim society, it should practice sharia principled pawn. But now there are many who do not practice lien on Islamic principles. Not preclude that though Islamic pawnshop.