An added expression may leave the basic import intact yet contribute no separate force. That is the sense of non-destructive padding.
«وَقَدَّدْتُ الْأَدِيمَ»
And I cut the leather.
If further wording merely restates the cutting already conveyed, without specifying a new manner or result, it may be unnecessary. Conversely, where repetition introduces a real distinction such as degree, sequence or intensity, it should not be labeled useless.