Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
the products must not be framed on any other website , nor may you create a link to any part of the products unless you have written permission to do so from headspace . 

```
. OPTIONS: ['Arbitration' 'Content removal' 'Unilateral termination'
 'Unilateral change' 'Jurisdiction' 'Contract by using'
 'Limitation of liability' 'None' 'Choice of law'].