omgdav exposes an existing MogileFS domain over WebDAV. There is absolutely no commitment or modification needed to your existing MogileFS installation to try omgdav in read-only mode.

\Unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections and take advantage of features in Unix/Unix-like kernels. Slow clients should only be served by placing a reverse proxy capable of fully buffering both the the request and response in between \Unicorn and slow clients.