 Due to their low weight and the fact that they had only one control wire per leg , the puppets were unable to walk convincingly . Therefore , scenes involving movement were filmed from the waist up , with a puppeteer holding the legs below the level of the camera and using a " bobbing " action to simulate motion . Alternatively , dynamic shots were eliminated altogether : in an interview with New Scientist , director of photography John Read spoke of the advantages of circumventing the lack of agility so that the puppets " appear , for example , to walk through doors ( although the control wires make this impossible ) or pick up a coffee cup ( although their fingers are not in fact jointed ) . " Live @-@ action shots of human hands were inserted whenever scripts called for more dexterous actions to be performed . 
 Due to their low weight and the fact that they had only one control wire per leg , the puppets <a href='uninflect' title='1'><mark>were</mark></a> unable to walk convincingly . Therefore , scenes involving movement <a href='uninflect' title='2'><mark>were</mark></a> filmed from the waist up , with a puppeteer holding the legs below the level of the camera and using a " bobbing " action to simulate motion . Alternatively , dynamic shots <a href='uninflect' title='3'><mark>were</mark></a> eliminated altogether : in an interview with New Scientist , director of photography John Read spoke of the advantages of circumventing the lack of agility so that the puppets " appear , for example , to walk through doors ( although the control wires make this impossible ) or pick up a coffee cup ( although their fingers <a href='negative_concord' title='4'><mark>are</mark></a> <a href='negative_concord' title='5'><mark>not</mark></a>in fact jointed ) . " Live @-@ action shots of human hands <a href='uninflect' title='6'><mark>were</mark></a> inserted whenever scripts called for more dexterous actions to be performed . 
Due to their low weight and the fact that they had only one control wire per leg , the puppets was unable to walk convincingly . Therefore , scenes involving movement was filmed from da waist up , with a puppeteer holdin tdalegs below thdaevel of the camera and usin a " bobbing " action to simulate motion . Alternatively , dynamic shots was eliminated altogether : in an interview with New Scientist , director of photography John Read spoke of thedavantages of circumventing the lack of agility so that the puppets " appear , for example , to walk through doors ( although the datrol wires make this impossible ) or pick up a coffee cup ( although their fingers ain't in fact jointed ) . " Live @-@ action shots of human hands was inserted whenever scripts called for more dexterous actions to be performed .