Starting to use Kassi and Ossi is quick and easy. Both services can be used with the same sizl username, so you need to register only once to be able to use all OtaSizzle services.
 
How to start using Kassi?

1. Go to http://kassi.sizl.org
 
2. Click register and create your account
 
3. Fill in your profile information (your contact information, items you could lend to others and favors you could do to others)
 
4. You are ready to start exploring Kassi!
 

How to start using Ossi?

1. Go to http://ossi.sizl.org with your mobile phone browser
 
2. If Ossi doesn't work with your mobile phone model, you can also use  
it with your computer
 
3. Click sign up and create your account

4. Update your profile information
 
5. You are ready to start building your social network, discussing and following the sizzle channels!

 
For fluent mobile use you can also download Ossi-application that  
works with newer N- and E-series Nokia phones. Desktop-use is made easier by the Ossi-widget (for Mac-users).