Soft Crystal Case

which case to protect ipod touch?

which case should i use to protect my ipod touch more of falling and stuff like that
the soft silicon case:http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWNX:IT&item=160269145310 or the hard clear crystal clear case:http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MEWNX:IT&item=220266907829 ( i alredy bpught them both but which one should i use more?

I use a [...]