That could also help.
You might even be able to crank it by hand with one of them.
Here's one on Ebay http://cgi.ebay.com.sg/ELECTRIC-DRILL-90-DEGREE-ANGLE-ADAPTER-POWER-DRILL-TOOL_W0QQitemZ270492404288QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item3efa9a8a40