Who is wearing knee pads?
The guy is wearing knee pads.
    src        edge_attr  dst
0     1  to the right of   15
1     1   to the left of   10
2     1  to the right of    3
3     1  to the right of    2
4     1   to the left of    9
..  ...              ...  ...
67   23  to the right of    5
68   23  to the right of   14
69   23  to the right of   21
70   23  to the right of   22
71   23       sitting on   13

[72 rows x 3 columns]