Clay tile is almost impossible to walk without damaging breaking tiles unless you weigh less than 100 lbs however if you must walk the roof the best method is as in picture 1.
How to walk on a roof without breaking tile.
Essentially with each step place the heel of your foot in the gap between tiles roll the arch over the tile and end up with your toe in the next gap.
Otherwise it is still advised to ask for professional helps who knows how to walk on roof tiles safely and have the required knowledge and equipment for it.
When you take a step slowly lift your foot up to ease the weight off the tile.
The proper way to walk and clean a ceramic tile concrete roof.
If the roof tiles have curves or waves and they are close together then place the balls and heels on the peaks.
On high barrel tiles such as eagle roofing products capistrano concrete roof tile profile you should distribute your weight with the heel and toe on the high points of adjacent tiles.
Orient your feet in a direction parallel with the ridge and try to distribute your weight evenly walking as softly as possible.
The proper way to walk and clean a ceramic tile concrete roof.
If you find yourself in the circumstances with no other choice you may use the guides above.
Walking on a roof tiles are a very dangerous task both for you and the tiles.
Instead transfer your weight gradually as you walk and curve your step with the arc of the tile as it falls.
Also you need to step where the tiles lap eachother toward the lower edge of the tile.
You want to walk on that overlapping part.
Image showing how concrete tiles are installed on a roof.
Most concrete tiles are lifted a little off of your roof and sit on wood batten strips creating a gap under the tiles for ventilation.
When you walk on your roof make sure you are walking on the reinforced part the lower third of the visible tile.