How to use:
1.Remove the bottom case and wipe the dropped stitch with a dry cloth to wipe off the dust, but do not get wet.
2.Heat the dropped stitch with a hair dryer, when it hotted, stick on the rubber foot directly.
3.Press until it is cooling, then turn over the bottom case, toast the cylinder with a lighter, after it dissolves, press it quickly to let it stuck in the bottom case.

Compatible Model:
13" A1278
Late 2008: MB466LL/A, MB467LL/A

13" A1278
Mid 2009: MB990LL/A, MB991LL/A
Mid 2010: MC374LL/A, MC375LL/A
Early 2011: MC700LL/A, MC724LL/A
Late 2011: MD313LL/A, MD314LL/A
Mid 2012: MD101LL/A, MD102LL/A

15" A1286
Late 2008: MB470LL/A, MB471LL/A
Early 2009: MC026LL/A
Mid 2009: MB985LL/A, MB986LL/A, MC406LL/A, MC118LL/A
Mid 2010: MC371LL/A, MC372LL/A, MC373LL/A
Early 2011: MC721LL/A, MC723LL/A, MD035LL/A
Late 2011: MD318LL/A, MD322LL/A
Mid 2012: MD103LL/A, MD104LL/A

17" A1297
Early 2009: MB604LL/A
Mid 2009: MC226LL/A
Mid 2010: MC024LL/A
Early 2011: MC725LL/A
Late 2011: MD311LL/A